| Components |

| 1. Water temperature control assembly 2. Thermostat | 3. Water inlet fitting pipe |
Troubleshooting SymptomsPossible CausesRemedyCoolant leakage • From the bleed hole of the water pump Visually check • Check leaks after about ten-minute warming up.
Removal Removal of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. Do not remove the thermostat, even if the engine tends to overheat.
Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compressor.
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